public function testGetUri()
 {
     $request = new Request('GET', '/');
     $this->assertEquals('/', $request->getUri());
     $request = new Request('GET', '/test.php');
     $this->assertEquals('/test.php', $request->getUri());
     $request = new Request('GET', '/?test=1&foo=3');
     $this->assertEquals('/?test=1&foo=3', $request->getUri());
     return $request;
 }